Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
inflation und » inflation index, inflation _, inflation tax
und prices » fund prices, land prices, bond prices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
paper de » paper d, paper e, paper ten

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology gap inflation und prices 3.1 communication paper de developpement en afrique.*.